Changeset 75879 in vbox for trunk/include

Timestamp:

Dec 2, 2018 6:39:16 PM (6 years ago)

Author:

vboxsync

Message:

Runtime: Introduce RTShMem* API for accessing shared memory objects with implementations for POSIX (via shm_*) and Windows (via CreateFileMapping)

Location:

trunk/include/iprt

Files:

• err.h (modified) (1 diff)
• mangling.h (modified) (1 diff)
• shmem.h (added)
• types.h (modified) (1 diff)

trunk/include/iprt/err.h

@@ -3395 +3395 @@
 /** @} */
 
+
+/** @name RTShMem status codes
+ * @{ */
+/** Maximum number of mappings reached. */
+#define VERR_SHMEM_MAXIMUM_MAPPINGS_REACHED                     (-26000)
+/** @} */
+
 /* SED-END */
 

trunk/include/iprt/mangling.h

@@ -1942 +1942 @@
 # define RTSha512t256ToString                           RT_MANGLER(RTSha512t256ToString)
 # define RTSha512t256Update                             RT_MANGLER(RTSha512t256Update)
+# define RTShMemClose                                   RT_MANGLER(RTShMemClose)
+# define RTShMemMapRegion                               RT_MANGLER(RTShMemMapRegion)
+# define RTShMemOpen                                    RT_MANGLER(RTShMemOpen)
+# define RTShMemQuerySize                               RT_MANGLER(RTShMemQuerySize)
+# define RTShMemRefCount                                RT_MANGLER(RTShMemRefCount)
+# define RTShMemSetSize                                 RT_MANGLER(RTShMemSetSize)
+# define RTShMemUnmapRegion                             RT_MANGLER(RTShMemUnmapRegion)
 # define RTSocketClose                                  RT_MANGLER(RTSocketClose)
 # define RTSocketFromNative                             RT_MANGLER(RTSocketFromNative)

trunk/include/iprt/types.h

@@ -2528 +2528 @@
 #define NIL_RTKRNLMODINFO                          ((RTKRNLMODINFO)~(uintptr_t)0);
 
+/** Shared memory object handle. */
+typedef struct RTSHMEMINT                   RT_FAR *RTSHMEM;
+/** Pointer to a shared memory object handle. */
+typedef RTSHMEM                             RT_FAR *PRTSHMEM;
+/** A NIL shared memory object handle. */
+#define NIL_RTSHMEM                                ((RTSHMEM)~(uintptr_t)0)
+
 /**
  * Handle type.